Pneumatic blow gun



FIG. 1 is a front and right side perspective view of a pneumatic blow gun showing the new design.

FIG. 2 is a front view thereof.

FIG. 3 is rear view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Elements drawn in broken lines in FIGS. 1-7 are included for the purpose of illustrating environmental structures but form no part of the claimed design. 

CLAIM The ornamental design for a pneumatic blow gun, as shown and described. 